DR. NATHAN EVAN OSTERMAN (O.D.) – Optometrist, NPI 1437531381
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,129 OPTOMETRY in TX
Provider Addresses for DR. NATHAN EVAN OSTERMAN (O.D.)
11901 W PARMER LN STE 400
CEDAR PARK, TX 786137655
Phone: (512) 528-1144
Fax: (512) 528-1143
Type: Mailing
586 5TH ST
STE 300
BROOKINGS, OR 974159720
Phone: (541) 469-7775
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 33 Open Payments records for all available years, with a total value of $1,312.
Total Amount is formed as General ($1,312) + Research ($0) + Ownership ($0) = $1,312.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: BIOTISSUE HOLDINGS INC. ($670).
Total Amount
$1,312
General + Research + Ownership
Payments
33
Total payment records
General Amount
$1,312
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BIOTISSUE HOLDINGS INC. | $670 |
| ABBVIE INC. | $345 |
| Sun Pharmaceutical Industries Inc. | $115 |
| Bausch & Lomb Americas Inc. | $68 |
| Tarsus Pharmaceuticals, Inc. | $59 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-02-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190222000318 | I | Optometry | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 111 | 93 | $0 |
| 92014 | Established patient complete exam of visual system | 60 | 59 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 56 | 48 | $0 |
| 92134 | Imaging of retina | 53 | 51 | $0 |
| 92133 | Imaging of optic nerve | 44 | 42 | $0 |
Insurance plans in this area (ZIP 78613)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | TX | |
| O P H T H A L M O L O G Y | TX | |
| O P H T H A L M O L O G Y | TX |
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